I am still working on this page. We have many great projects happening right now that use iMovie with kids. I will add them as people share it with me.

The Apple website offers tons a great tutorials and fun ideas for iMovie...
http://www.apple.com/support/imovie/

This is a list of ideas created by a tech specialist in Florida--good stuff!!
http://keystone-training.pbworks.com/f/imovie+project.pdf

More ideas on using iMovie with kids:
http://edweb.sdsu.edu/sciencetg/ie/